| Boppard to San Diego (California) | 5,779.53 mi (9,301.25 km) |
| Boppard to San Diego Country Estates (California) | 5,758.80 mi (9,267.89 km) |
| Boppard to San Dimas (California) | 5,725.44 mi (9,214.20 km) |
| Boppard to San Fernando (California) | 5,733.57 mi (9,227.29 km) |
| Boppard to San Francisco (California) | 5,641.15 mi (9,078.56 km) |
| Boppard to San Gabriel (California) | 5,734.92 mi (9,229.46 km) |
| Boppard to San Germán (Puerto Rico) | 4,590.67 mi (7,387.98 km) |
| Boppard to San Jacinto (California) | 5,718.95 mi (9,203.76 km) |
| Boppard to San Jose (California) | 5,652.15 mi (9,096.26 km) |
| Boppard to San Juan (Puerto Rico) | 4,531.01 mi (7,291.96 km) |
| Boppard to San Juan (Texas) | 5,487.83 mi (8,831.81 km) |
| Boppard to San Juan Capistrano (California) | 5,756.47 mi (9,264.14 km) |
| Boppard to San Leandro (California) | 5,636.33 mi (9,070.80 km) |
| Boppard to San Lorenzo (California) | 5,637.65 mi (9,072.92 km) |
| Boppard to San Luis (Arizona) | 5,723.96 mi (9,211.82 km) |
